Add 21/3 and 18/10
1st number: 7 0/3, 2nd number: 1 8/10
21/3 + 18/10 is 44/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 3 × 10 = 30,
21/3 = 21 × 10/3 × 10 = 210/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
18/10 = 18 × 3/10 × 3 = 54/30 - Add the two like fractions:
210/30 + 54/30 = 210 + 54/30 = 264/30 - 264/30 simplified gives 44/5
- So, 21/3 + 18/10 = 44/5
In mixed form: 84/5
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